Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 5. East

Average Temperature Rankings, May 2013

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
May 2013
1-Month 		64.0°F
(17.8°C)		 61.0°F
(16.1°C)		 3.0°F
(1.7°C)		 97th Coolest
Coolest since:
 1907
32nd Warmest
Warmest since:
 2018
Apr–May 2013
2-Month 		56.6°F
(13.7°C)		 55.4°F
(13.0°C)		 1.2°F
(0.7°C)		 88th Coolest
Coolest since:
 1907
41st Warmest
Warmest since:
 1977
Ties: 1900, 1903, 1915, 1925, 1969
Mar–May 2013
3-Month 		48.8°F
(9.3°C)		 49.7°F
(9.8°C)		 -0.9°F
(-0.5°C)		 41st Coolest
Coolest since:
 1960
88th Warmest
Warmest since:
 2012
Ties: 1915, 1979
Feb–May 2013
4-Month 		43.8°F
(6.6°C)		 44.1°F
(6.7°C)		 -0.3°F
(-0.1°C)		 50th Coolest
Coolest since:
 1978
79th Warmest
Warmest since:
 2012
Ties: 1969, 1972, 1994
Jan–May 2013
5-Month 		40.6°F
(4.8°C)		 40.1°F
(4.5°C)		 0.5°F
(0.3°C)		 74th Coolest
Coolest since:
 1978
55th Warmest
Warmest since:
 2012
Ties: 1903, 1934, 1995, 2009, 2018
Dec 2012–May 2013
6-Month 		39.9°F
(4.4°C)		 38.1°F
(3.4°C)		 1.8°F
(1.0°C)		 99th Coolest
Coolest since:
 1978
29th Warmest
Warmest since:
 2012
Nov 2012–May 2013
7-Month 		39.9°F
(4.4°C)		 38.3°F
(3.5°C)		 1.6°F
(0.9°C)		 99th Coolest
Coolest since:
 1904
29th Warmest
Warmest since:
 2012
Ties: 1939, 1985, 2022
Oct 2012–May 2013
8-Month 		41.4°F
(5.2°C)		 40.3°F
(4.6°C)		 1.1°F
(0.6°C)		 92nd Coolest
Coolest since:
 1904
36th Warmest
Warmest since:
 2012
Ties: 1922, 1941, 1990
Sep 2012–May 2013
9-Month 		43.9°F
(6.6°C)		 43.0°F
(6.1°C)		 0.9°F
(0.5°C)		 89th Coolest
Coolest since:
 1904
39th Warmest
Warmest since:
 2012
Ties: 1928, 1931, 1941, 1946
Aug 2012–May 2013
10-Month 		46.7°F
(8.2°C)		 45.9°F
(7.7°C)		 0.8°F
(0.5°C)		 87th Coolest
Coolest since:
 1904
41st Warmest
Warmest since:
 2012
Ties: 2010, 2018
Jul 2012–May 2013
11-Month 		49.7°F
(9.8°C)		 48.4°F
(9.1°C)		 1.3°F
(0.7°C)		 101st Coolest
Coolest since:
 1904
27th Warmest
Warmest since:
 2012
Jun 2012–May 2013
12-Month 		51.6°F
(10.9°C)		 50.4°F
(10.2°C)		 1.2°F
(0.7°C)		 100th Coolest
Coolest since:
 1904
28th Warmest
Warmest since:
 2012
Ties: 1935, 1949, 1972, 1995, 2021
Dec 2011–May 2013
18-Month 		49.6°F
(9.8°C)		 46.2°F
(7.9°C)		 3.4°F
(1.9°C)		 124th Coolest
Coolest since:
 1905
3rd Warmest
Warmest since:
 2017
Jun 2011–May 2013
24-Month 		53.3°F
(11.8°C)		 50.3°F
(10.2°C)		 3.0°F
(1.6°C)		 125th Coolest
Coolest since:
 1905
2nd Warmest
Warmest to Date
 2017
Jun 2010–May 2013
36-Month 		52.6°F
(11.4°C)		 50.3°F
(10.2°C)		 2.3°F
(1.2°C)		 123rd Coolest
Coolest since:
 1905, 1906
3rd Warmest
Warmest since:
 2018
Jun 2009–May 2013
48-Month 		52.1°F
(11.2°C)		 50.3°F
(10.2°C)		 1.8°F
(1.0°C)		 121st Coolest
Coolest since:
 1905
4th Warmest
Warmest since:
 2019
Ties: 2001, 2002, 2007
Jun 2008–May 2013
60-Month 		51.8°F
(11.0°C)		 50.3°F
(10.2°C)		 1.5°F
(0.8°C)		 115th Coolest
Coolest since:
 1905, 1906, 1908
9th Warmest
Warmest since:
 2020
Ties: 2007

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